Analysis Overview
SHA256
cd231d9c643a1c98120aad79446370a039cfc5483fcceaeedf80b7a933de8758
Threat Level: Known bad
The file rfq1960.gz was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-23 11:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-23 11:29
Reported
2024-07-23 11:32
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
146s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3800 set thread context of 3436 | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlykqEvmBV.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD86.tmp"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| SG | 172.93.218.178:45667 | tcp | |
| US | 8.8.8.8:53 | 178.218.93.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| IE | 52.111.236.21:443 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/3800-0-0x000000007509E000-0x000000007509F000-memory.dmp
memory/3800-1-0x0000000000BB0000-0x0000000000C98000-memory.dmp
memory/3800-2-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/3800-3-0x0000000005700000-0x0000000005792000-memory.dmp
memory/3800-4-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/3800-5-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3800-6-0x0000000006960000-0x000000000697A000-memory.dmp
memory/3800-7-0x00000000069A0000-0x00000000069AE000-memory.dmp
memory/3800-8-0x0000000006A00000-0x0000000006ABE000-memory.dmp
memory/3800-9-0x00000000090F0000-0x000000000918C000-memory.dmp
memory/556-14-0x0000000002B40000-0x0000000002B76000-memory.dmp
memory/556-16-0x00000000055F0000-0x0000000005C18000-memory.dmp
memory/556-15-0x0000000075090000-0x0000000075840000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpAD86.tmp
| MD5 | 4c5098d015fad2261be855c68eff31f5 |
| SHA1 | 8d4676745a871b97ea82fdd008bb400f60bf1e53 |
| SHA256 | 2d7a13415a6da3bdb2426520101fb4ef1d1a99ced5b3de10af8aff68f0d3d968 |
| SHA512 | eaec3c7dc445b81c9f9966a2bb7bf91dd190279b2ccd2224a3e94a28b1c011333a0ac653359d324d9d856108b4fa818a5f5c8facbf3e99414a52f1f62e95c888 |
memory/556-19-0x0000000005570000-0x0000000005592000-memory.dmp
memory/556-20-0x0000000005D90000-0x0000000005DF6000-memory.dmp
memory/3436-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/556-25-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3436-29-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1dzjgei3.be1.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3436-27-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/556-39-0x0000000005E70000-0x00000000061C4000-memory.dmp
memory/556-21-0x0000000005E00000-0x0000000005E66000-memory.dmp
memory/3800-40-0x0000000075090000-0x0000000075840000-memory.dmp
memory/556-18-0x0000000075090000-0x0000000075840000-memory.dmp
memory/556-41-0x0000000006430000-0x000000000644E000-memory.dmp
memory/556-42-0x00000000064C0000-0x000000000650C000-memory.dmp
memory/3436-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/556-46-0x0000000007420000-0x0000000007452000-memory.dmp
memory/556-57-0x0000000006A00000-0x0000000006A1E000-memory.dmp
memory/556-47-0x0000000075920000-0x000000007596C000-memory.dmp
memory/556-58-0x0000000007660000-0x0000000007703000-memory.dmp
memory/556-60-0x0000000007770000-0x000000000778A000-memory.dmp
memory/556-59-0x0000000007DC0000-0x000000000843A000-memory.dmp
memory/556-63-0x00000000077F0000-0x00000000077FA000-memory.dmp
memory/556-64-0x00000000079F0000-0x0000000007A86000-memory.dmp
memory/556-65-0x0000000007970000-0x0000000007981000-memory.dmp
memory/556-66-0x00000000079A0000-0x00000000079AE000-memory.dmp
memory/556-67-0x00000000079B0000-0x00000000079C4000-memory.dmp
memory/556-68-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/556-69-0x0000000007A90000-0x0000000007A98000-memory.dmp
memory/556-72-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3436-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-78-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-79-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3436-81-0x0000000000400000-0x000000000047F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-23 11:29
Reported
2024-07-23 11:32
Platform
win7-20240705-en
Max time kernel
150s
Max time network
144s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1756 set thread context of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlykqEvmBV.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C1.tmp"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
Network
| Country | Destination | Domain | Proto |
| SG | 172.93.218.178:45667 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/1756-0-0x0000000073B9E000-0x0000000073B9F000-memory.dmp
memory/1756-1-0x0000000001030000-0x0000000001118000-memory.dmp
memory/1756-2-0x0000000073B90000-0x000000007427E000-memory.dmp
memory/1756-3-0x00000000005D0000-0x00000000005EA000-memory.dmp
memory/1756-4-0x00000000005F0000-0x00000000005FE000-memory.dmp
memory/1756-5-0x0000000005370000-0x000000000542E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp9C1.tmp
| MD5 | 33ce9c3850e23e04532acb800952452b |
| SHA1 | de041a535733c8d84d2a9a128c62b466abbef1f0 |
| SHA256 | d8d802f5b35a8ba6ee19f11ba7126ade23c5a655378706af5727f2bef4a44f56 |
| SHA512 | 328fbbcfbbf81ffdbd104f1d2b80c7bf4af718ddccfc95720dc3d0bb819341fd3dfbf305cc0899146758530f1fa8f8c0feae42639e837885fb889dc0d8436681 |
memory/2724-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1756-32-0x0000000073B90000-0x000000007427E000-memory.dmp
memory/2724-31-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-30-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-29-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-17-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-13-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-19-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-15-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-40-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-41-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-42-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2724-47-0x0000000000400000-0x000000000047F000-memory.dmp